40647001983780 has 48 divisors (see below), whose sum is σ = 117482947674624. Its totient is φ = 10489548898560.

The previous prime is 40647001983779. The next prime is 40647001983793. The reversal of 40647001983780 is 8738910074604.

It is a self number, because there is not a number n which added to its sum of digits gives 40647001983780.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10926611577 + ... + 10926615296.

It is an arithmetic number, because the mean of its divisors is an integer number (2447561409888).

Almost surely, 2^{40647001983780} is an apocalyptic number.

It is an amenable number.

40647001983780 is an abundant number, since it is smaller than the sum of its proper divisors (76835945690844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40647001983780 is a wasteful number, since it uses less digits than its factorization.

40647001983780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853226916 (or 21853226914 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 40647001983780 in words is "forty trillion, six hundred forty-seven billion, one million, nine hundred eighty-three thousand, seven hundred eighty".